Don't get mad, but 'hangry' isn't really angry

Anger comes in many flavours, it turns out, and the hunger-induced variety isn't quite like the others

The morning walk before a holiday meal can feel like an act of advance penance: a show of restraint before the feast, best performed under a pale sun, amid a lonely scatter of leaves and with a determination to keep the campfire in sight. March off too slowly — or too far — and you’ll only annoy the other pilgrims, who likewise skipped breakfast to save room for the banquet.

Scientists have only recently begun to explore the emotional and social effects of acute hunger. (University ethics boards look unfavourably on experiments that would starve groups of undergraduates in the name